If you're looking for anime similar to Gyo, you might like these titles.
Surviving a zombie apocalypse beats being a wage slave any day! After spending years slaving away for a soul-crushing company, Akira's life has lost its luster. He lives in a trash-filled apartment, his pay is abysmal, and he can't even muster up the nerve to confess his love to his beautiful co-worker. But when a zombie apocalypse ravages his town, it gives him the push he needs to live for himself. Now Akira's on a mission to complete all 100 items on his bucket list before he...well, kicks the bucket.
Yuki Takeya loves her school. She loves it so much, in fact, that she actually lives there! She's part of the "School-Life Club", a group of four girls and their dog who camp out in the club room at night and grow their own food on the school roof. But why is Yuki the only one who still attends classes? And why doesn't anyone ever have the urge to go home?
The story begins with the peaceful daily life of schoolgirls — which suddenly breaks down when former schoolmates become zombies. The story follows the actions taken by the girls left behind on the school roof.
When the infected approached Rei and Takashi's school, it led to a gruesome blood bath that left the majority of students and staff dead or turned into the zombie-like monsters that have spread throughout the world. Together with a handful of other survivors, Rei and Takashi set forth to find their families in a world that is rapidly detoriating. Governments have collapsed, the killer disease is out of control, and people everywhere are trying their best to simply live through each day...
In the early 21st century, the emergence of an incurable condition known as B-cell growth led some of the affected to become "Sleepers" - people put under statis until a cure could be found. Yuji Kaido is one such Sleeper who awakens, several decades later, to a horrifying new reality. Giant bugs known as Blue have invaded the Earth, eating everything - and everyone - in sight. Now, all Yuji can do is escape from the city with the ones who saved him from his inevitable death, and make their way towards Second Earth: mankind's new home in space.
Students from Hosho Academy High School were aboard a plane when it crash lands under mysterious circumstances. The heroine, Oribe Mutsumi and her classmates wash ashore on an island. The surviving passengers decide to wait for help to come, but the island turns out to be inhabited by giant insects! Mutsumi wakes up on a beach and finds her classmate Matsuo Ayumi. They use their wits to procure food. Believing that help will come in three days, they decide to endure until then.
In the near future, a unique disease has swept across the planet: a virus that transforms humans into cats! And the horde is expanding, since if these adorable kitties snuggle with a human, the human is transformed into yet another cat. A small group of cat-loving survivors is trying to escape the madness, but how can you defend yourself against a threat you just want to cuddle and pet?! This wild new take on a post-apocalyptic survival tale will make you roll over and purr with delight!
Medusa is a mysterious illness which causes the body to petrify shortly after infection, found throughout the world and steadily increasing the death toll. In order to combat the disease, 160 lottery winners were chosen to be frozen until a cure could be found, one of whom is Kasumi - a twin whose sibling was not one of the chosen. Along with a group of others Kasumi awakens from her cryogenic chamber, but not to the same world she left it: prehistoric monsters roam the now-abandoned castle and eat the survivors, while endless giant thorns rise all around them. Against all odds, Kasumi and the others must now try to survive the horror of their situation and discover the truth behind what's happening, all the while waiting for the Medusa to finally claim their lives...